It's more insidious at a Best Buy where large purchases like HDTV with accessories are often financed and the salesperson says they can have the best without paying for it (right now).

The average consumer has no clue and doesn't want to learn that digital is digital, not like analog. All they know is when there is poor signal they get nothing on their TV (or blocky) where on their old TV they at least got a viewable picture with noise.